THE LONGEVITY LAB MDVOL. 1

The Evidence, Explained.

Physician-authored deep dives into the science of longevity — peer-reviewed, plainly written, and relentlessly evidence-based.

EST. 2024 · SINGAPORE · UPDATED WEEKLY

Latest Research
Aerobic exercise extends telomere length in sedentary adults Time-restricted eating improves insulin sensitivity independent of caloric intake New data on NMN supplementation in humans Epigenetic clocks show 3-year reversal with lifestyle intervention Resistance training at 70+ reverses sarcopenia markers in 12 weeks ApoB outperforms LDL-C across 2.4M-adult meta-analysis Aerobic exercise extends telomere length in sedentary adults Time-restricted eating improves insulin sensitivity independent of caloric intake New data on NMN supplementation in humans Epigenetic clocks show 3-year reversal with lifestyle intervention Resistance training at 70+ reverses sarcopenia markers in 12 weeks ApoB outperforms LDL-C across 2.4M-adult meta-analysis
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The Latest from the Lab

ApoB Over LDL: The Lipid Marker Your Cardiologist Should Be Measuring
Metabolic Health

ApoB Over LDL: The Lipid Marker Your Cardiologist Should Be Measuring

A 2.4M-adult meta-analysis settled the debate. Here is the clinical case for ApoB-first screening.

Dr. Ari Sahebkashaf · 8 min read · April 11, 2026
Soon →
Time-Restricted Eating Without the Hype: What 142 Trials Actually Show
Nutrition

Time-Restricted Eating Without the Hype: What 142 Trials Actually Show

When the calories are matched, does the eating window still matter? The evidence is more nuanced than the headlines.

Dr. Ari Sahebkashaf · 10 min read · April 7, 2026
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The Mitochondrial Theory of Aging: What the Evidence Actually Says
Cognitive Health

The Mitochondrial Theory of Aging: What the Evidence Actually Says

Forty years after Harman, where the data really stand on free radicals, mtDNA, and the brain.

Dr. Ari Sahebkashaf · 11 min read · April 3, 2026
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Lp(a): The Inherited Risk Most Adults Have Never Been Screened For
Preventive Medicine

Lp(a): The Inherited Risk Most Adults Have Never Been Screened For

One blood draw, once in your life — and a 30% adjustment to lifetime cardiovascular risk.

Dr. Ari Sahebkashaf · 6 min read · March 30, 2026
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Strength After 50: The Sarcopenia Curve You Can Bend
Exercise Science

Strength After 50: The Sarcopenia Curve You Can Bend

Resistance training is the most under-prescribed longevity intervention in medicine.

Dr. Ari Sahebkashaf · 5 min read · March 27, 2026
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Epigenetic Clocks Explained: GrimAge, PhenoAge, and What's Next
Longevity Biomarkers

Epigenetic Clocks Explained: GrimAge, PhenoAge, and What's Next

How methylation patterns became the most-cited proxy for biological age.

Dr. Ari Sahebkashaf · 9 min read · March 24, 2026
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"The goal of longevity medicine is not to cheat death — it is to earn more of the life you want to live."

— Dr. Ari Sahebkashaf, MD

Our Commitment · Evidence First

Every article on this journal is grounded in peer-reviewed evidence. We cite our sources. We challenge the hype. We follow the science wherever it leads.

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From the Archive

Back issues of the journal — drag to scroll the carousel.

On Statins and Skepticism
Preventive Medicine

On Statins and Skepticism

VOL. 1 · ISSUE 03

The Mitochondria Issue
Cognitive Health

The Mitochondria Issue

VOL. 1 · ISSUE 02

Inflammation, Reframed
Metabolic Health

Inflammation, Reframed

VOL. 1 · ISSUE 01

What VO₂ Max Tells Us
Exercise Science

What VO₂ Max Tells Us

VOL. 0 · ISSUE 12

The Sleep Architecture Brief
Sleep & Recovery

The Sleep Architecture Brief

VOL. 0 · ISSUE 11